Geographic illustration of spatial aspects of speciation. Edited by Fvasconcellos on 2007-06-03 as per request on Wikipedia:Featured article candidates/Evolution.
Original description:
Geographic illustration of SPATIAL ASPECTS OF SPECIATION:

1. allopatric speciation - physical barrier divides population
2. peripatric speciation - small founding population enters isolated niche
3. parapatric speciation - new niche found adjacent to original one
4. sympatric speciation - speciation occurs without physical separation

Drawn in Inkscape by Ilmari Karonen, based on en:Image:Speciation modes.png and http://www.bio.miami.edu/dana/160/speciation.jpg archive copy at the Wayback Machine from http://www.bio.miami.edu/dana/160/160S04_6.html^{[dead link]}

Adapted from: Spring 2006, Lecture Notes for EVOLUTION AND BIODIVERSITY class (BIL 160 Section HJ) by Dr. Dana Krempels, dana at miami dot edu.

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• Speciation modes edit-id.svg
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